Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
437100 (2012 US101)
Classification: Main-belt Asteroid          SPK-ID: 2437100
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0194983754125065 8.889e-08  
a 3.072632055720506 6.221e-08 au
q 3.012720722393566 2.6502e-07 au
i 11.53710612455869 1.0665e-05 deg
node 48.13697118728049 4.1323e-05 deg
peri 11.86559029673892 0.00025021 deg
M 201.214485189188 0.00024604 deg
tp 2460264.206085225548
(2023-Nov-15.70608523)
0.0013485 TDB
period 1967.271328580453
5.39
5.9746e-05
1.636e-07
d
yr
n .1829945848190496 5.5575e-09 deg/d
Q 3.132543389047446 6.3423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      6740 days (18.45 yr)  
   first obs. used      2001-10-11  
   last obs. used      2020-03-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .68606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:25:26  

Additional Information
 Earth MOID = 2.02374 au 
 Jupiter MOID = 1.94712 au 
 T_jup = 3.199 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.65   n/a E2021B25  

437100 (2012 US101)          Discovered 2007-Nov-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-02 22:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin